In the world, วงศ์คำสิงห์ (วงศ์คำสิงห์, Wongkamsing 
, Wongkumsing ) is an extremely rare unknown gender first name. Predominantly, วงศ์คำสิงห์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wongkamsing | Malaysia, Thailand |
| Wongkumsing | Thailand |